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INTEGRATED RESISTOR NETWORK FOR MULTI-FUNCTIONAL USE IN CONSTANT CURRENT OR CONSTANT VOLTAGE OPERATION OF A PRESSURE SENSOR
INTEGRATED RESISTOR NETWORK FOR MULTI-FUNCTIONAL USE IN CONSTANT CURRENT OR CONSTANT VOLTAGE OPERATION OF A PRESSURE SENSOR
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机译:在压力传感器的恒定电流或恒定电压操作中多功能使用的集成电阻器网络
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摘要
A sensor chip has a piezo-resistive bridge, a temperature resistive bridge, and a multifunctional resistor network that can be used to provide span compensation when operating the piezo-resistive bridge in a constant current mode. In the constant current mode, the multifunctional resistor network can also be used to provide a bias potential to an epitaxial layer of the sensor chip. In a constant voltage mode, the multifunctional resistor network can be used to provide three different gains for a temperature channel that includes the temperature resistive bridge in order to customize the output of the temperature channel for specific operating temperature ranges.
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